JEE Main2017PhysicsCommunication SystemActual
In amplitude modulation, the sinusoidal carrier frequency used is denoted by ω c and the signal frequency is denoted by ω m . The bandwidth Δ ω m of the signal is such that Δ ω m ≪ ω c . Which of the following frequencies is not contained in the modulated wave?
Options
- Aω c - ω m
- Bω m
- Cω c
- Dω m + ω c
Correct answer
B. ω m
Step-by-step solution
∵ Δ ω m ≪ ω c ω m will not be there in the frequencies. In modulated wave